鐏叿鐭ヨ瘑 璺伅鏉嗛厤緗富瑕佹槸鎸囩伅鏉嗙殑寮哄害鍙婇珮搴﹁璁★紝浠ュ強璺伅鐏潌涓婂お闃寵兘鐢墊睜緇勪歡錛屽厜婧愮殑瀹夎楂樺害鐨勭‘瀹氥�傜伅鏉嗙殑寮哄害璁捐絎﹀悎銆婂煄甯傞亾璺収鏄庡伐紼嬫柦宸ュ強楠屾敹瑙勮寖銆嬨�併�婂皬鍨嬮鍔涘彂鐢墊満鎶�鏈潯浠躲�嬪璺伅鏉嗙殑瑕佹眰錛屽茍涓斾笌椋庡姏鏈虹粍鐨勮嚜鎸鐜囩浉宸緢澶э紝鍙互鎶?2綰у彴椋庛�傜伅鏉嗙殑楂樺害搴旀牴鎹畨瑁呭湴鐐圭殑鍦扮悊鐜鏉ュ喅瀹氾紝淇濊瘉椋庡姏鏈虹粍鐨勪嬌鐢ㄤ笉鍙楀獎鍝嶃�傚お闃寵兘鐢墊睜緇勪歡鐨勫畨瑁呬竴鑸互澶т笌椋庡姏鏈虹粍鐨勯鍙剁浉騫叉秹涓哄噯錛屽悓鏃惰娉ㄦ剰淇濊瘉澶槼鑳界數(shù)姹犵粍浠朵笉琚伅鏉嗛伄鎸°�傚厜婧愮殑瀹夎楂樺害鏍規(guī)嵁璁捐瑕佹眰鐨勭収搴︾‘瀹氥�?
椋庡姏鍙戠數(shù)鏈哄拰澶槼鑳界數(shù)姹犵粍浠舵槸椋庡厜浜掕ˉ璺伅鐨勬爣蹇楁�х粍鍚堬紝瑕佷繚璇侀鍔涘彂鐢墊満鍜屽お闃寵兘鐢墊睜緇勪歡鑳藉鉤紼熾�佸畨鍏ㄧ殑榪愯錛屽悓鏃朵篃閰嶅悎璺伅鐏潌鐨勫鏍峰寲閫犲瀷錛屽簲灝嗛鍏変簰琛ヨ礬鐏伅鏉嗚璁′負鑷珛寮忚礬鐏伅鏉嗐�傞鍔涘彂鐢墊満浣嶄簬鐏潌鐨勯《绔紝澶槼鑳界數(shù)姹犵粍浠朵綅浜庣伅鏉嗙殑涓儴銆?
涓滆帪鍟嗗弸鐓ф槑鏍規(guī)嵁閫夊畾鐨勯鍔涘彂鐢墊満鍙婂お闃寵兘鐢墊睜緇勪歡鐨勫閲忓強瀹夎楂樺害瑕佹眰錛岀粨鍚堝綋鍦扮殑鑷劧璧勬簮鏉′歡榪涜鐏潌寮哄害璁捐錛岀‘瀹氬悎鐞嗙殑鐏潌灝哄鍜岀粨鏋勫艦寮忋�?
鍦ㄩ鍏変簰琛ヨ礬鐏腑錛屽湪鐏厜鐨勭粨鏋勪腑涓�涓渶瑕侀潪甯擱噸瑙嗙殑闂灝辨槸鎶楅璁捐銆傛姉椋庤璁′富瑕佸垎涓轟袱澶ч儴鍒嗭紝涓�涓虹數(shù)姹犵粍浠舵敮鏋剁殑鎶楅璁捐錛屼簩涓虹伅鏉嗙殑鎶楅璁捐銆?
渚濇嵁涓滆帪鍟嗗弸鐓ф槑鐨勬妧鏈弬鏁拌祫鏂欙紝澶槼鑳界數(shù)姹犵粍浠跺彲浠ユ壙鍙楃殑榪庨鍘嬪己涓?700pa銆傝嫢鎶楅緋繪暟閫夊畾涓?7m/s錛屾牴鎹潪綺樻�ф祦浣撳姏瀛︼紝澶槼鑳界數(shù)姹犵粍浠舵壙鍙楃殑椋庡帇涓?65Pa銆傛墍浠ワ紝澶槼鑳界數(shù)姹犵粍浠舵湰韜槸瀹屽叏鍙互鎵垮彈27m/s鐨勯閫熻�屼笉鑷充簬鎹熷潖鐨勩�傛墍浠ワ紝璁捐涓叧閿鑰冭檻鐨勬槸澶槼鑳界數(shù)姹犵粍浠舵敮鏋朵笌鐏潌鐨勮繛鎺ャ�傞�氬父鍦ㄩ鍏変簰琛ヨ礬鐏殑璁捐涓紝澶槼鑳界數(shù)姹犵粍浠舵敮鏋朵笌璺伅鐏潌榪炴帴璁捐搴旈噰鐢ㄨ灪鏍撴潌鍥哄畾榪炴帴銆?
閰嶇疆妗堜緥濡?/STRONG>錛?
澶槼鑳界數(shù)姹犳柟闃靛�捐A=16擄錛岀伅鏉嗛珮搴?5m錛岃璁￠�夊彇鐏潌搴曢儴鐒婄紳瀹藉害=4mm錛岀伅鏉嗗簳閮ㄥ寰?168mm銆傜剨緙濇墍鍦ㄩ潰鍗崇伅鏉嗙牬鍧忛潰鎶墊姉鐭￤鐨勮綆楃偣P鍒扮伅鏉嗗彈鍒扮殑澶槼鑳界數(shù)姹犺嵎杞紽浣滅敤綰跨殑璺濈涓猴細L=[5000+錛?68+6錛?tan16擄]xsin16擄=15454mm
鎵�浠ワ紝椋庤嵎杞藉湪鐏潌鐮村潖闈笂鐨勪綔鐢ㄧ煩M=Fx1.545銆傛牴鎹?7m/s鐨勮璁℃渶澶у厑璁擱閫燂紝2x30w鐨勫弻澶撮鍏変簰琛ヨ礬鐏お闃寵兘鐢墊睜緇勪歡鐨勫熀鏈嵎杞戒負730N銆傝�冭檻鍒?.3鐨勫畨鍏ㄧ郴鏁版湁F=1.3x730=949N
鎵�浠=Fx1.545=1466N.m
鏍規(guī)嵁鏁板鎺ㄥ錛屽渾鐜艦鐮村潖闈㈢殑鎶墊姉鐭￤=蟺錛?x84²x4+3x84x4²+4³錛?88768mm³銆?
椋庤嵎杞藉湪鐮村潖闈笂浣滅敤鐭╁紩璧風(fēng)殑搴斿姏
Fy=M/W=16.5MPa<215MPa
寮忎腑錛?15MPa鏄疩235閽㈢殑鎶楀集寮哄害銆?
鎵�浠ワ紝鍙閫夊彇鐨勭剨緙濆搴︽弧瓚寵姹傚拰鐒婃帴璐ㄩ噺鑳戒繚璇侊紝鐏潌鐨勬姉椋庢槸娌℃湁闂鐨勩�?
